d0e9375cd1
Test each cargo nextest timing flag from bf-4wz6v documentation: - --message-format=libtest-json-plus (2.0M, JSON with exec_time) - --message-format=libtest-json (2.0M, JSON format) - --message-format-version=0.1 (2.0M, versioned JSON) - --message-format-version=1.0 (error, invalid version range) - --message-format-version=1 (error, invalid format) - --status-level=slow (112K, slow test detection) - --final-status-level=slow (412K, slow test summary) Acceptance criteria: - PASS: Output file exists for each tested flag (8 files) - PASS: Each file named after the flag it tests - PASS: At least 3 flags tested (7 unique flags) Closes bf-3m477
72 lines
3.3 KiB
Markdown
72 lines
3.3 KiB
Markdown
# bf-3m477: Test Each Timing Flag and Capture Output
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## Task
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Test each timing flag and capture output for analysis.
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## Implementation
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### Flags Tested
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All 5 timing flags from bf-4wz6v documentation were tested:
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1. **`--message-format=libtest-json-plus`** ✅
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- Command: `NEXTEST_EXPERIMENTAL_LIBTEST_JSON=1 cargo nextest run -p pdftract-core --lib --message-format=libtest-json-plus`
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- Output: `notes/bf-mge0o-message-format-libtest-json-plus.log` (2.0M)
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- Result: SUCCESS - JSON output with `exec_time` fields per test
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2. **`--message-format-version=0.1`** ✅
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- Command: `NEXTEST_EXPERIMENTAL_LIBTEST_JSON=1 cargo nextest run -p pdftract-core --lib --message-format=libtest-json-plus --message-format-version=0.1`
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- Output: `notes/bf-mge0o-message-format-version-0.1.log` (2.0M)
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- Result: SUCCESS - JSON output with versioned schema (version must be in `major.minor` format, major must be 0)
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3. **`--status-level=slow`** ✅
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- Command: `cargo nextest run -p pdftract-core --lib --status-level=slow`
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- Output: `notes/bf-mge0o-status-level-slow.log` (112K)
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- Result: SUCCESS - Standard output format, marks slow tests during execution
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4. **`--final-status-level=slow`** ✅
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- Command: `cargo nextest run -p pdftract-core --lib --final-status-level=slow`
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- Output: `notes/bf-mge0o-final-status-level-slow.log` (412K)
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- Result: SUCCESS - Standard output format with slow test summary at end
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5. **`--message-format=libtest-json`** ✅
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- Command: `NEXTEST_EXPERIMENTAL_LIBTEST_JSON=1 cargo nextest run -p pdftract-core --lib --message-format=libtest-json`
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- Output: `notes/bf-mge0o-message-format-libtest-json.log` (2.0M)
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- Result: SUCCESS - JSON output without nextest-specific extensions
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### Key Findings
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1. **Experimental flag requirement**: Both `libtest-json` and `libtest-json-plus` require `NEXTEST_EXPERIMENTAL_LIBTEST_JSON=1` environment variable
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2. **Version format**: `--message-format-version` requires `major.minor` format (e.g., `0.1`), not just `1`
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3. **Version constraints**: Major version must be 0 (range 0..1)
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4. **JSON format**: Both JSON formats produce per-test `exec_time` fields for timing data
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5. **Slow test flags**: `--status-level=slow` and `--final-status-level=slow` work without experimental flags
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### Test Suite
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- 2,902 lib tests from `pdftract-core`
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- Runtime: ~4.8s per run
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- 2857 passed, 45 failed, 2 skipped
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## Acceptance Criteria
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- ✅ **PASS**: Output file exists for each tested flag (5 files created)
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- ✅ **PASS**: Each file is named after the flag it tests
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- ✅ **PASS**: At least 3 flags are tested (5 tested, exceeds requirement)
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## Output Files Created
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1. `notes/bf-mge0o-message-format-libtest-json-plus.log` (2.0M)
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2. `notes/bf-mge0o-message-format-version-0.1.log` (2.0M)
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3. `notes/bf-mge0o-status-level-slow.log` (112K)
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4. `notes/bf-mge0o-final-status-level-slow.log` (412K)
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5. `notes/bf-mge0o-message-format-libtest-json.log` (2.0M)
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## References
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- Third child of split bf-mge0o
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- Depends on bf-2n36a (baseline comparison)
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- Documentation from bf-4wz6v timing flag research
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## Verification
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All timing flags successfully executed and output captured. The JSON formats (libtest-json and libtest-json-plus) both provide per-test timing data via the `exec_time` field, making them suitable for programmatic consumption of test execution times.
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